* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

ul,
li {
    list-style: none;
}

body {
    background-color: #e1e1e1;
}

.container {
    display: flex;
    justify-content: space-around;
    width: 1200px;
    margin: 50px auto 0;
    padding: 50px;
    background-color: #c9c6c6;
    border-radius: 3px 3px 0 0;
}

.box {
    width: 400px;
    height: 400px;
    border: 1px solid rgb(248, 245, 245);
    border-radius: 3px;
    background-color: #fff;
    padding: 40px 0;
}

.box p {
    width: 80%;
    margin: 10px auto;
}

.box h3 {
    text-align: center;
    margin-bottom: 60px;
}

.box .userErr,
.box .pwErr {
    color: red;
    height: 20px;
    font-size: 12px;
    margin: 0 auto;
}

.box span {
    display: inline-block;
    width: 100px;
}

.box input {
    width: 200px;
    height: 30px;
    border-radius: 3px;
    padding: 0 10px;
}

.box button {
    color: #fff;
    background-color: #1890ff;
    border-color: #1890ff;
    width: 120px;
    height: 30px;
    border-radius: 3px;
    margin: 0 19px;
}